﻿#region Copyright (c) 2010 R. Uittenbosch
/*
* Copyright (C) 2010 R. Uittenbosch
* 
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and 
* associated documentation files (the "Software"), to deal in the Software without restriction, including 
* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
* copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the 
* following conditions:
* 
* The above copyright notice and this permission notice shall be included in all copies or substantial 
* portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT 
* LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO 
* EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#endregion

using System;
using System.Linq;
using System.Collections.Generic;
using System.Text;
using System.Mobile.Mvc;

namespace TouchUI.System.Mobile.Mvc
{

  #region ControllerExtension
  /// <summary>
  /// Extensions on the System.Mobile.Mvc.Controller class
  /// </summary>
  public static class ControllerExtensions
  {
    /// <summary>
    /// Does the controller have parameters?
    /// </summary>
    /// <param name="controller"></param>
    /// <param name="parameters"></param>
    /// <returns></returns>
    public static bool HasParameters(this Controller controller, object[] parameters)
    {
      if ((parameters != null) && (parameters.Length > 0))
        return true;
      return false;
    }

    /// <summary>
    /// Get the first parameter of the controller
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="controller"></param>
    /// <param name="parameters"></param>
    /// <returns></returns>
    public static T GetFirstParameter<T>(this Controller controller, object[] parameters)
    {
      int i = 0;
      while (i < parameters.Length)
      {
        if ((T)parameters[i] != null)
          return (T)parameters[i];
      }
      return default(T);
    }

    /// <summary>
    /// Has the controller parameters of a specific type?
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="controller"></param>
    /// <param name="parameters"></param>
    /// <returns></returns>
    public static bool HasParameters<T>(this Controller controller, object[] parameters)
    {
      if (controller.HasParameters(parameters))
      {
        return (controller.GetFirstParameter<T>(parameters) != null);
      }
      return false;
    }
  }
  #endregion

}
